Historic USGS Moment Tensor Solutions
Magnitude 4.5 SAMOA ISLANDS REGION
Wednesday, November 28, 2012 at 08:36:10 UTC
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green
The most recent (20 or less) USGS Moment Tensor Solutions are shown.
Data from the Source Parameter Database.
E P I C E N T E R | MOMENT | P R I N C I P A L A X E S |N O D A L P L A N E S |
DATE TIME (UTC) LAT LONG SRC|DEPTH VAL EX | T N P | 1 2 | % SRC
YR MO DA HR MN SEC deg deg | km Mw Nm |VAL PL AZM VAL PL AZM VAL PL AZM|STK DP SLIP STK DP SLIP| DC
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2009 05 13 21:31:17.98 -15.750 -173.490 PDE| 85.0 5.7 5.3 17 |4.05 26 277 1.99 3 9 -6.03 63 105|190 72 -87 0 19 -100| 34 GS
2009 05 17 06:23: 3.54 -16.825 -173.491 PDE| 67.0 5.6 2.9 17 |2.77 20 213 0.27 27 314 -3.04 55 92|145 70 -61 267 35 -144| 82 GS
2009 08 30 14:51:32.89 -15.223 -172.571 PDE| 7.0 6.5 6.3 18 |6.99 9 211 -1.81 4 120 -5.17 79 3|117 54 -96 307 36 -82| 48 GS
2009 10 01 06:13:33.31 -15.387 -173.252 PDE| 11.0 5.7 4.0 17 |4.27 70 226 -0.50 1 132 -3.78 19 41|313 65 92 129 26 86| 77 GS
2009 10 02 01:07:39.26 -16.335 -173.471 PDE| 5.0 6.0 1.4 18 |1.25 14 228 0.34 27 326 -1.59 58 113|160 65 -60 287 39 -137| 57 GS
2009 10 04 09:10:31.61 -16.231 -173.240 PDE| 23.0 5.4 1.7 17 |1.77 52 278 -0.21 7 19 -1.55 36 115| 18 82 82 242 12 133| 76 GS
2009 10 04 17:09:53.16 -16.352 -173.255 PDE| 25.0 5.3 1.2 17 |1.33 56 267 -0.31 6 167 -1.03 32 73|349 78 97 140 14 62| 53 GS
2009 10 14 18:00:21.77 -14.910 -174.823 PDE| 11.0 6.1 2.0 18 |1.97 7 303 -0.03 82 139 -1.95 2 34|349 86 173 79 83 4| 97 GS
2009 10 19 07:41:38.24 -15.437 -172.976 PDE| 10.0 5.8 5.4 17 |5.81 26 32 -0.86 0 122 -4.95 63 212|122 18 -90 302 72 -90| 70 GS
2009 10 19 22:49:38.41 -15.360 -172.264 PDE| | 15 216 38 114|160 75 -40 262 52 -161| GS
2009 11 01 21:28:58.94 -15.505 -173.753 PDE|108.0 5.8 5.9 17 |6.36 44 250 -1.08 18 359 -5.28 39 105|358 87 72 260 18 171| 66 GS
2009 12 25 22:04:26.98 -15.963 -173.059 PDE| 47.0 5.6 2.8 17 |2.67 41 198 0.16 38 334 -2.84 24 85|326 80 51 224 41 164| 89 GS
2009 12 26 21:23:27.30 -17.299 -176.941 PDE| 17.0 5.5 2.1 17 |1.85 12 280 0.40 75 74 -2.25 6 189| 55 85 13 324 77 175| 64 GS
2010 02 09 01:03:44.44 -15.053 -173.492 PDE| 14.0 5.8 6.0 17 |6.07 34 321 -0.12 39 196 -5.95 31 75| 18 89 130 110 40 2| 96 GS
2010 04 21 17:20:29.11 -15.271 -173.219 PDE| 31.0 6.1 1.6 18 |1.64 18 239 -0.15 51 124 -1.49 32 341|113 81 -142 16 53 -11| 82 GS
2010 09 04 08:52: 4.10 -17.368 -173.999 PDE| 71.0 6.1 1.8 18 |2.08 61 112 -0.66 25 320 -1.41 11 224|286 40 49 156 61 119| 37 GS
2010 09 06 07:24:35.23 -18.314 -175.205 PDE|212.0 5.5 2.0 17 |1.44 21 135 0.86 11 40 -2.30 65 285|246 25 -63 36 68 -102| 25 GS
2010 09 16 01:54:40.29 -16.031 -173.960 PDE| 84.0 5.8 5.5 17 |6.11 44 116 -1.42 18 8 -4.69 41 262|283 18 5 188 88 108| 54 GS
2010 10 06 19:43:38.46 -17.818 -173.989 PDE| 75.0 5.7 5.3 17 |5.55 25 240 -0.44 27 344 -5.10 51 115|172 75 -61 287 32 -151| 84 GS
2010 12 18 22:24:18.00 -14.131 -173.306 PDE| 27.0 5.6 3.0 17 |3.18 42 205 -0.43 33 79 -2.74 30 326|263 83 124 3 34 12| 73 GS
Latest USGS Fast Moment Tensor Solutions
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
